social aspects

Provides information on using del.icio.us to collect, organize, and share Web resources.

Explains how to view, upload, and share videos with friends and the Internet community using the YouTube website.

Looks at the theory that large groups have more collective intelligence than a smaller number of experts, drawing on a wide range of disciplines to offer insight into such topics as politics, business, and the environment.

Discusses a catastrophic event and its devastating effects on society with a time line of events before, during, and after the disaster.